THIS IS DUE IN 20 MINUTES Which of the following is an example of absolute dating?
A. A sedimentary rock layer is between 10,000 and 10,500 years old.
B. A sedimentary rock layer is younger than the existing layer below it.
C. A sedimentary rock layer is 20,000 years old because it is a scientific law.
D. A sedimentary rock layer contains fish fossils, but the layers above and below it do not contain any fossils.

It's either A or C I am leaning more towards C

Sorry i couldn't help any more

why do the isotopes of a particular element behave differently in nuclear reactions but the same in chemical reactions? chemical reactions involve changes to electrons in an atom; isotopes do not differ in electrons, and so they react the same way during chemical changes.

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >